hook.c

/*
 * Copyright (C) 2000, 2001, 2002, 2003, 2004 Shawn Betts <sabetts@vcn.bc.ca>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA 02111-1307 USA.
 */

/*
 * A hook is simply a list of strings that get passed to command() in sequence.
 */

#include "sdorfehs.h"

#include <string.h>

void
hook_add(struct list_head *hook, struct sbuf *s)
{
	struct sbuf *cur;

	/* Check if it's in the list already. */
	list_for_each_entry(cur, hook, node) {
		if (!strcmp(sbuf_get(cur), sbuf_get(s))) {
			sbuf_free(s);
			return;
		}
	}

	/* It's not in the list, so add it. */
	list_add_tail(&s->node, hook);
}

void
hook_remove(struct list_head *hook, struct sbuf *s)
{
	struct list_head *tmp, *iter;
	struct sbuf *cur;

	/* If it's in the list, delete it. */
	list_for_each_safe_entry(cur, iter, tmp, hook, node) {
		if (!strcmp(sbuf_get(cur), sbuf_get(s))) {
			list_del(&cur->node);
			sbuf_free(cur);
		}
	}
}

void
hook_run(struct list_head *hook)
{
	struct sbuf *cur;
	cmdret *result;

	list_for_each_entry(cur, hook, node) {
		result = command(1, sbuf_get(cur));
		if (result) {
			if (result->output)
				message(result->output);
			cmdret_free(result);
		}
	}
}

struct list_head *
hook_lookup(char *s)
{
	struct rp_hook_db_entry *entry;

	for (entry = rp_hook_db; entry->name; entry++) {
		if (!strcmp(s, entry->name)) {
			return entry->hook;
		}
	}

	return NULL;
}